What was President Franklin Delano Roosevelt’s involvement in the “internment” of people of Japanese ancestry during World War II?

A. None at all
B. He authored order and implemented it
C. He was against it but was overridden 
D. On one hand, he put out a public opinion, but inwardly, he had a different opinion 
E. Like many politicians, his involvement stemmed only from how it would make him look in the eyes of the people
F. None of the above/Other